B1471 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1471 – Lamp Headlamp Input Circuit Open

 

B1471 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1471 Possible Causes

 

Faulty Lamp Headlamp,Lamp Headlamp harness is open or shorted,Lamp Headlamp circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1471 Description

 

The Body Control Module (BCM) monitors the Lamp Headlamp. The BCM sets the OBDII code when the Lamp Headlamp is not to factory specifications.